Observatorio Astronómico Ramón María Aller


 
 

INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)

INFORMATION CIRCULAR No. 140  (FEBRUARY 2000)


 
 
                                                       NEW ORBITS

  ADS            Name      P (yr)    T       e      W(2000)    2000      Author
 RA 2000 DEC    n (deg)  a (") i (deg) w (deg) Last ob.     2001
--------------------------------------------------------------------------------------

              COU 247     280.00   1990.21    0.426    21.3     307.6 0.300  BLANCO
00094+1907     1.2857       0.846   124.9    47.1    1999.712   302.3 0.299

 1522         STF 183 AB  332.79   1996.42    0.523   170.3     156.2 0.346  SEYMOUR
01551+2847     1.0818       0.489   121.3   290.5    1997.685   155.3 0.348  & MASON

 2612         STF 400 AB  244.52   1939.07    0.669    82.6     265.6 1.416  SEYMOUR
03350+6002     1.4723       1.052    67.1    35.1    1996.0601  265.8 1.425  & MASON

              COU 691      36.52   2003.74    0.600    52.7     221.4 0.108  DOCOBO
03423+3141     9.8576       0.167    73.9   252.0    1996.866   226.7 0.103  & LING

 4971         A 2667      102.34   1931.89    0.365   110.0     228.7 0.278  SEYMOUR
06214+0216     3.5177       0.400    59.8   253.9    1997.1171  232.0 0.282  & MASON

              COU 768      26.64   1982.71    0.502    60.1     160.8 0.135  DOCOBO
06503+2410    13.5135       0.118   144.2    59.8    1996.872   153.2 0.129  & LING

 5726         A 1959       32.11   1972.53    0.019   169.6      98.6 0.120  SEYMOUR
07036+3941    11.2115       0.247    61.9   333.0    1995.1462  118.4 0.138  & MASON

 7044         VDK 3       127.76   2009.58    0.891   176.8     150.9 1.603  SEYMOUR
08507+0752     2.8178       2.498    59.1   102.8    1997.275   152.6 1.523  & MASON

 7629         I 292       823.31   1971.04    0.832   124.6     316.8 0.638  SEYMOUR
10043-2823     0.4373       1.457   138.4    52.1    1997.1229  315.9 0.655  & MASON

 7915         HO 532 AB   160.67   1972.58    0.860   110.9      72.3 0.624  MANTE
10454+3831     2.2406       1.791   100.1   280.1    1995.1411   70.6 0.615

              KUI 93       68.21   1962.76    0.976   151.9     313.2 0.193  DOCOBO
19411+1349     5.2778       0.099    22.3   339.0    1995.7703  313.5 0.192  & LING

=====================================================================================

                             PAPERS PUBLISHED IN 1999

 1) ABT, H. A. & WILLMARTH D. W.: "Binaries in the Praesepe and Coma Star Clusters
    and Their Implications for Binary Evolution". Astrophys. J. 521, 682 (1999).

 2) ARISTIDI, E. et al.: "Speckle observations of double and multiple stars at Pic du
    Midi: Measurements during 1995 and 1997 and new orbits". Astron. Astrophys. Suppl.
    Ser. 134 (3), 545 (1999).

 3) BALEGA, I. I. et al.: "Binary star Speckle measurements during 1992-1997 from SAO
    6-m and 1-m telescopes in Zelenchuk". Astron. Astrophys. Suppl. Ser. 140 (3), 287
    (1999).

 4) BENDINELLI, O. et al.: "A method to analyze adaptive optics
    images of binary stars". Astron. Astrophys. Suppl. Ser. 135 (1), 187 (1999).

 5) BODEN, A. F. et al. : "The visual orbit of 64 Piscium". Astrophys. J. 527, 360
    (1999).

 6) BODEN, A. F. et al. : "The visual orbit of iota Pegasi". Astrophys. J. 515, 356
    (1999).

 7) CUYPERS, J. & SEGGWISS, W. : "CCD photometry and astrometry of visual double and
    multiple stars of the HIPPARCOS catalogue. II. CCD photometry and differential
    astrometry of 288 southern ``Intermediate" systems". Astron. Astrophys. Suppl.
    Ser. 139 (3), 425 (1999).

 8) DELFOSSE, X. et al.: "Accurate masses of very low mass stars II. The very low
    mass triple system GL 866". Astron. Astrophys. 350, L39 (1999).

 9) DOCOBO, J. A. & LING J. F.: "Orbits of five visual double stars". Astrophys. J.
    Suppl. Ser. 120, 41 (1999).

10) DOCOBO, J. A., PRIETO, C. & LING J. F.: "The influence of mass loss on the
    eccentricity of double star orbits". Astrophys. and Space Science 261, 205 (1999).

11) DOUGLASS, G. G. et al.: "Speckle interferometry at the US Naval Observatory. IV".
    Astron. J. 118 (3), 1395 (1999).

12) FALIN, J. L. & MIGNARD, F. : "Mining in the Hipparcos raw data". Astron.
    Astrophys. Suppl. Ser. 135 (2), 231 (1999).

13) FARAGGIANA, R. & BONIFACIO, P. C. : "How many lambda Bootis stars are binaries?".
    Astron. Astrophys. 349, 521 (1999).

14) FEKEL, F. C. et al.: "Orbital elements and physical parameters of ten
    chromospherically active binary stars". Astron. Astrophys. Suppl. Ser. 137 (2),
    369 (1999).

15) GEHRZ, R. D. et al. : "Thermal infrared images of the remarkable young nearby
    multiple star HD 98800". Astrophys. J. 512, L55 (1999).

16) GERMAIN, M. E., DOUGLASS, G. G. & WORLEY, C. E.: "Speckle interferometry at the
    US Naval Observatory. II". Astron. J. 117 (4), 1905 (1999).

17) GERMAIN, M. E., DOUGLASS, G. G. & WORLEY, C. E.: "Speckle interferometry at the
    US Naval Observatory. III". Astron. J. 117 (5), 2511 (1999).

18) HARTKOPF, W. I. et al.: "ICCD Speckle observations of binary stars. XXII. A survey
    of Wolf-Rayet stars for close visual companions". Astron. J. 118 (1), 509 (1999).

19) HAUSER, H.M. & MARCY, G. W.: "The orbit of 16 Cygni AB". Pub. Astron. Soc. of the
    Pacific 111 (757), 321 (1999).

20) HOLMAN, M. J. & WIEGERT, P. A.: "Long-term stability of planets in binary
    systems". Astron. J. 117 (1), 621 (1999).

21) HORCH, E. et al.: "Speckle observations of binary stars with the wiyn telescope.
    I. Measures during 1997". Astron. J. 117 (1), 548 (1999).

22) IWAMOTO, N. et al.: "A comparison of stellar evolution with binary systems".
    Astrophys. J. 521, 297 (1999).

23) JASINTA, D.M.D., RAHARTO, M. & SOEGIARTINI, E. : " Photographic observations of
    visual double stars". Astron. Astrophys. Suppl. Ser. 134 (1), 87 (1999).

24) JASINTA, D.M.D. & HIDAYAT, B. : " The photographic observations on the components
    of Sirius". Astron. Astrophys. Suppl. Ser. 136 (2), 293 (1999).

25) KOPEIKIN, S. M., OZERNOY, L. M. : "Post-NewtonianTheory for Precision Doppler
    Measurements of Binary Star Orbits". Astrophys. J. 523, 771 (1999).

26) KOVALEVA, D. A. & MALKOV, O. Y.: " On the possible multiplicity of the components
    of some low-mass systems". Astron. Reports 43 (2), 100 (1999).

27) KRYMOLOWSKI, Y. & MAZEH, T.: "Studies of multiple stellar systems - II.
    Second-order averaged Hamiltonian to follow long-term orbital modulations of
    hierarchical triple systems". MNRAS, 304, 720 (1999).

28) LEONE, F. & CATANZARO, G.  : "Orbital elements of binary systems with a chemically
    peculiar star". Astron. Astrophys. 343, 273 (1999).

29) LU, W. & RUCINSKI, S. M.: "Radial velocity studies of close binary stars. I".
    Astron. J. 118 (1), 515 (1999).

30) MASON, B.D., DOUGLASS, G.G. & HARTKOPF, W. I.: "Binary star orbits from speckle
    interferometry. I. Improved orbital elements of 22 visual systems". Astron. J.
    117 (2), 1023 (1999).

31) MASON, B.D. et al.: "Speckle interferometry of new and problem Hipparcos
    binaries". Astron. J. 117 (4), 1890 (1999).

32) MOLENBERGHS, G., AERTS, C. & DE CAT, P.: "An improved method for the determination
    of the orbital parameters of a binary system that contains a pulsating component".
    Astron. Astrophys. Suppl. Ser. 135 (2), 383 (1999).

33) MORAN, C. et al.: "The orbital parameters of three new subdwarf B binaries".
    MNRAS, 304, 535 (1999).

34) OBLAK, E. et al.: "CCD photometry and astrometry for visual double and multiple
    stars of the HIPPARCOS catalogue. I. Presentation of the large scale project".
    Astron. Astrophys. 346, 5230 (1999).

35) PENNY, L. R., GIES, D. R. & BAGNUOLO, W. G., JR. : "Tomographic Separation of
    Composite Spectra. VI. The Physical Properties of the Massive Close Binary HD
    152248". Astrophys. J. 518, 450 (1999).

36) PETROVA, A. V. & ORLOV, V. V.: "Apsidal motion in double stars. I. Catalog."
    Astron. J. 117 (1), 587 (1999).

37) POURBAIX, D. : "Gamma Persei: a challenge for stellar evolution models". Astron.
    Astrophys. 348, 127 (1999).

38) POURBAIX, D., NEUFORGE-VERHEECKE, C. & NOELS, A.: "Revised masses of alpha
    Centauri". Astron. Astrophys. 344, 172 (1999).

39) RICHICHI, A. et al.: "New binary stars discovered by Lunar occultations". Astron.
    Astrophys. 350, 491 (1999).

40) ROBERTS, L. C.: "Three methods of determining magnitudes of individual stars in
    resolved binary systems". Pur. Astron. Soc. of the Pacific ,111 (759), 650 (1999).

41) ROBERTSON, J. G. et al.: "Interferometry and spectroscopy of beta Cen: a beta
    Cephei star in a binary system*". MNRAS, 302, 245 (1999).

42) SALAMAN, M., MORLET, G. & GILI, R.: "CCD measurements of visual double star made
    with 50 cm. refractor of the Nice Observatory". Astron. Astrophys. Suppl. Ser. 135
    (3), 499 (1999).

43) SALIM, S. & GOULD, A. : "Saggitarius A ``visual binaries": A direct measurement
    of the galactocentric distance". Astrophys. J. 523, 633 (1999).

44) SCALLY, A., CLARKE, C. & MCCAUGHREAN, M. J.: "Wide binaries in the Orion nebula
    cluster". MNRAS, 306, 253 (1999).

45) SCHWEICKHARDT, J. et al.: "Revised mass determination of the super massive
    Wolf-Rayet star WR 22". Astron. Astrophys. 347, 127 (1999).

46) SHATSKY, N. et al.: "UBV absolute CCD photometry and differential astrometry of
    a sample visual double stars with A-type primaries". Astron. Astrophys. Suppl. Ser.
    139 (1), 69 (1999).

47) SINACHOPOULOS, D. et al.: "CCD astrometry and instrumental DeltaV photometry of
    visual double stars. V. Differential measurements of pairs with angular separations
    1" to 4" ". Astron. Astrophys. Suppl. Ser. 136 (3), 525 (1999).

48) SMEKHOV, M. G.: "Spectroscopic Components in the Multiple Systems ADS 4200 and
    ADS 12656". Astron. Letters 25 (8), 536 (1999).

49) SODERHJELM, S.: "Visual binary orbits and masses post Hipparcos". Astron.
    Astrophys. 341, 121 (1999).

50) TAMAZIAN, V. S., DOCOBO, J. A. & MELIKIAN, N. : "Spectral, photometric and
    polarimetric study of visual binary COU 14" Astrophys. J. 513, 933 (1999).

51) TAMAZIAN, V. S. & DOCOBO, J. A.: "Flare activity of visual binary COU 14"
    Astrophys. and Space Science 261, 95 (1999).

52) TOKOVININ, A. A.: "New spectroscopic components in 8 multiple systems". Astron.
    Astrophys. Suppl. Ser. 136 (2), 373 (1999).

53) TOKOVININ A. A.: " The visual orbit of HD 98800". Astron. Letters, 25 (10), 669
    (1999).

54) TOKOVININ, A. A. et al.: "A near IR adaptive optics search for faint companions
    to early-type multiple stars". Astron. Astrophys. 346, 481 (1999).

55) TORRES, G.: "Subestellar companion masses from minimal radial velocity or
    astrometric information: a Monte Carlo approach.". Pub. Astron. Soc. of the
    Pacific 111 (756), 169 (1999).

56) TORRES, G. et al.: "The nearby low-mass visual binary Wolf 424" Astron. J. 117
    (1), 562 (1999).

57) WEIGELT, G. et al.: "Bispectrum speckle interferometry of the Orion Trapezium
    stars: detection of a close (33 mas) companion of Theta (1) Ori C". Astron.
    Astrophys. 347, 15 (1999).

===================================================================================

                                        NOTE
 

J. F. Courtot reports that the following wide "CTT" pairs, noticed and measured in
Chaumont (France), in 1997, have been included in WDS Catalog.

===================================================================================
 Name          BD          RA, Dec         Theta    Rho         Mags      Spectral
                            (2000)         (deg)    (")                     Type
-----------------------------------------------------------------------------------
 CTT 1      +56 3129   00 00.3 +56 51       92     46.5     8.5 -  9.5      A2
 CTT 2      +55  195    00 54.5 +56 19       42     62.0     7.2 -  9.8      A5+F5
 CTT 3      +62  423    02 35.9 +63 38       88     88.1     7.9 -  8.3      A5
 CTT 4 AB   +33  994    05 17.5 +33 12      104     98.3     7.7 -  9.5      A2
 CTT 4 AC      "               "            282    113.6     7.7 -  9.5      -
 CTT 4 AD      "               "            270    102.8     7.7 -  9.5      -
 CTT 4 AE      "               "            269    116.2     7.7 - 10.0      -
 CTT 5      +47 4334    23 57.5 +48 17      325     33.8     9.3 -  9.5      M0
===================================================================================
 
 

The deadline for contributions to Information Circular No. 140 is:

                            June 15th 2000
 

         J. A. Docobo (oadoco@usc.es)
         J. F. Ling (oafana@usc.es)
         Fax: (81) 59 70 54

         Observatorio Astronomico "R. M. Aller"
         P. O. Box 197
         Universidade de Santiago de Compostela
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ISSN: 1024-7769